FLASK,FILTER,HEAVY,SCALE,1000ML

· KIMAX® flask designed to afford maximum strength · Necks are tooled for a uniform stopper fit with a thick flat flange · Without side tubulation · Durable white ceramic enamel scale to indicate approximate volume · 500 mL size is designed from ASTM Specification E1406, Type I requirements · Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements